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MCQ (Single Correct Answer)
GATE CSE 2017 Set 1
Consider the following languages over the alphabet ∑= {a,b,c}. Let
L1 = {an bncm | m, n GRAEETR THAN = 0 } and
L2 = {ambncn| m, n GREATER THAN = 0}.
Which of the following are context-free languages ?
I. L1 ∪ L2II. L1 ∩ L2(A) I only(B) II only(C) I and II(D) Neither I nor II
